Method "addDomainPolicyHeader" is not defined in ""

#0 /home/gadgets/public_html/app/code/core/Mage/Core/Model/App.php(1340): Mage::throwException('Method "addDoma...')
#1 /home/gadgets/public_html/app/code/core/Mage/Core/Model/App.php(1317): Mage_Core_Model_App->_callObserverMethod(false, 'addDomainPolicy...', Object(Varien_Event_Observer))
#2 /home/gadgets/public_html/app/Mage.php(447): Mage_Core_Model_App->dispatchEvent('controller_acti...', Array)
#3 /home/gadgets/public_html/app/code/core/Mage/Core/Controller/Varien/Action.php(528): Mage::dispatchEvent('controller_acti...', Array)
#4 /home/gadgets/public_html/app/code/core/Mage/Core/Controller/Front/Action.php(64): Mage_Core_Controller_Varien_Action->preDispatch()
#5 /home/gadgets/public_html/app/code/core/Mage/Core/Controller/Varien/Action.php(408): Mage_Core_Controller_Front_Action->preDispatch()
#6 /home/gadgets/public_html/app/code/core/Mage/Core/Controller/Varien/Router/Standard.php(250): Mage_Core_Controller_Varien_Action->dispatch('noRoute')
#7 /home/gadgets/public_html/app/code/core/Mage/Core/Controller/Varien/Front.php(176): Mage_Core_Controller_Varien_Router_Standard->match(Object(Mage_Core_Controller_Request_Http))
#8 /home/gadgets/public_html/app/code/core/Mage/Core/Model/App.php(354): Mage_Core_Controller_Varien_Front->dispatch()
#9 /home/gadgets/public_html/app/Mage.php(683): Mage_Core_Model_App->run(Array)
#10 /home/gadgets/public_html/index.php(86): Mage::run('', 'store')
#11 {main}